-Is this your dictionary?
-No, it's _________. [ ]
A. him
B. his
C. her
D. she
答案:B
患者,女,12岁,恒基本中性,上前牙Ⅲ度拥挤,左上中切牙及右上侧切牙与下颌四颗切牙形成反,间隙不足,下切牙Ⅰ度拥挤。
若采用方丝弓矫治器,第一阶段矫治初始采用的弓丝为()
A.0.014英寸不锈钢丝
B.0.016英寸不锈钢丝
C.0.016英寸×0.022英寸不锈钢丝
D.0.018英寸镍钛丝
E.0.016英寸镍钛丝
APTT试验中白陶土激活的因子是()
A.Ⅲ
B.X
C.Ⅻ
D.Ⅸ
E.Ⅺ